Toner powder is also called Toner. This toner is for printing consumables. Mostly composed of resin and carbon powder,charge control agent(CCA), magnetic powder, إلخ.
In many toner cartridges, users can add their own toner and use it again after the original toner is used up. So there is also individual toner for sale in the market. Adding toner by yourself will significantly reduce the cost of consumables for users.
Depending on the manufacturing process, there is physical Toner and chemical Toner.
Physical Toner Is Also Called Crushed Toner.
The production process is to roughly mix the solid resin, magnetic material, pigment, charge control agent (CCA), إلخ. Then heat the resin on the mixing machine to melt it. At the same time, disperse the non-melt components evenly into the resin. Then carry out coarse crushing and grading to separate the crude and delicate. To enhance the dispersibility and regulate the electrical properties, surface modification, which outside the particles coated with some Nanopowder the morphology . It is observed through a microscope as disproportionate particles.
In this process, it is not guaranteed that the coarseness of each toner particle is the same. Nor the proportion of its main ingredients, carbon powder, iron powder, and resin, are the same. It is only within a certain proportion. Beyond this range, the toner particles may become waste powder. The waste powder rate of Toner is within the normal range of 5% to 7%. The waste rate also directly affects the number of pages printed with a certain amount of Toner. To increase the color reproduction ability, physical color toner is generally in the grading and surface modification during the spheroidization process.
Polymerized Toner Is Also Called Chemical Toner.
The production process is to add pigments, charge control agents, waxes, and other components to the liquid organic monomer and stir. Under certain conditions, such as temperature, the initiator triggers the polymerization of monomer resin. At the same time, forming particles containing various components. Then these particles are cleaned, washing away the unpolymerized monomer and residual initiator, إلخ. Make it dried and surface-modifie-the natural reaction between the raw materials of the fully synthetic Toner, spherical particles of uniform size. The particle control can be done so that the toner diameter is controlled in 5-7 microns. The general physical powder is 8-12 microns. Smaller, lower power consumption, waste powder volume is significantly reduced. In that case, it can extend the OPC drum Magnetic roller and blade life.
The Difference Between Chemical Toner and Physical Toner?
First, the chemical toner particle shape is very round. So the fluidity is better than the physical toner, and the transfer rate is also higher.
Second, it is dispersed in the liquid. Chemical Toner each component consistency is excellent. While physical Toner, the particle size is too small. There will be uneven dispersion of defects.
Third, chemical toner particle size distribution is more uniform than physical toner. That is, each particle of chemical Toner is almost the same size. The large and small toner particles will have an impact on the performance. The lack of larger particles will affect the blackness, and the lack of smaller particles will affect the resolution. لذلك, the chemical toner is not as expressive as the traditional physical toner in blackness. In terms of edge sharpness and small font performance, the chemical Toner is significantly better than the physical toner. That is also why the Black toner cartridge model usually uses physical Toner. The color toner cartridge models use chemical toner.
Fourth, the polymerization method can not produce magnetic toner. And the largest market share of HP, Canon printers must use magnetic Toner.
Fifth, the polymerization method of production is due to monomer flammable, explosive, and toxic. So the transport of raw materials, storage, and production process is the specific danger. Therefore the investment is much more significant than the crushing method of production. At the same time, due to the cleaning process requires a large amount of water. These waters contain harmful substances that can not be discharged without treatment. So the polymerization method of sewage treatment equipment investment is also huge. Due to the polymerization from the liquid medium, and also need to be cleaned. So the chemical toner production process of drying is a waste of time, and the production cycle is longer.
Sixth, polymerization technology is more complicated. Mainly particle size and molecular weight of the same time control.
Technology risk is very high. And the unqualified products can not be re-mixed and used like the crushing method. So there is often solid waste, resulting in higher costs for qualified products.
There are several other methods of carbon powder classification, namely
There is also another way to Categorize Toner.
One, according to the electrical properties, can be divided into positive electric powder (Lenovo) and harmful electric powder (HP).
Two, according to the magnetic properties can be divided into magnetic powder (HP) and non-magnetic powder (SAMSUNG).
Three, the composition can be divided into a single component (HP) and two-component.
خاتمة
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